diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4f461643dfffd96d8d890a6edbac9cedcef3ed8c..095b4aacc223638ef3cc58161d711db29f7bcff5 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -27,6 +27,7 @@ build-zynthbox-image-armhf:
 
     # Build custom base image with Low Latency Kernel with PREEMPT_RT patch
     - git clone https://github.com/guysoft/CustomPiOS.git
+    - cd CustomPiOS && git checkout 11023e5 && cd ..
     - git clone https://github.com/zynthbox/RealtimePi.git
     - cd RealtimePi/src
     - wget -c --trust-server-names 'https://downloads.raspberrypi.org/raspios_lite_armhf/images/raspios_lite_armhf-2023-02-22/2023-02-21-raspios-bullseye-armhf-lite.img.xz' -P ./image